TYPICAL APPLICATIONS
- Expansion and movement joints in floors and walls
- Joints in dynamically moving concrete and masonry substrates
- Precast concrete joints
- Jersey barriers and similar structures
- Pedestrian areas such as shopping malls
- Warehouses and light industrial environments
- Educational buildings, including schools, universities, and galleries
- Hospitals, clinics, and office buildings
- Irrigation channels and water tanks (when used with appropriate primer)
ADVANTAGES
- No primer needed on dry concrete in non-submerged conditions
- Easy application with a single component
- Non-shrinking, non-sagging, and gun-grade for vertical surfaces
- Provides a durable and resilient seal
- Can be painted over once cured when applied to concrete or masonry surfaces
- Forms a smooth, blister-free finish when applied to dry substrates
- Good resistance to dilute acids and alkalis
- Available in a variety of colors
PACKAGING AND COLORS
MasterSeal NP 473U is supplied in 600 ml sausages, with 20 sausages per box and 60 boxes per pallet. It is available in the following colors:
- Concrete Grey (RAL 7004)
- Off White (RAL 1015)
- White (RAL 9010)
Note: The colors provided are the closest matches to their respective RAL numbers.
STANDARDS
MasterSeal NP 473U complies with:
- ASTM C920 Type S, Grade NS, Class 25, Use T, NT, A, G, M, O, and I
- ISO 11600 Classification F 25 LM
TYPICAL PROPERTIES
- Skin formation time (23°C, 50% RH): <70 minutes
- Cure rate (23°C, 50% RH, 24 hours): 2-3 mm
- Flow resistance (ISO 7390, 23°C): < 3 mm
- Flow resistance (ISO 7390, 50°C): < 3 mm
- Shrinkage (ISO 10563): < 10%
- Application temperature range: +5°C to +40°C
- Specific gravity: 1.25
- Shore A hardness (ASTM C661): 31-34
- Tear strength (23°C / 50% RH): 6 N/mm
- E-Modulus at 100% (23°C / 50% RH): 0.4 N/mm²
- Elongation at break (23°C / 50% RH): >500%
- Elastic recovery (23°C / 50% RH): >70%
- Vertical slump (ASTM C639): Nil
- Movement capability (ASTM C719): ±25%
- Service temperature range: -40°C to +70°C
- Accelerated weathering (ASTM C793-05, 250 hours UV exposure): No cracking or adhesion loss.
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